<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch">
      <el-form-item label="群组名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入群组名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="群组状态" clearable>
          <el-option
            v-for="dict in dict.type.sys_normal_disable"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="groupList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="name" label="群组名称" width="260"></el-table-column>
      <el-table-column prop="status" label="群组类型" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.group_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column prop="status" label="状态" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column prop="order_num" label="显示顺序" width="200"></el-table-column>
      <el-table-column label="创建时间" align="center" prop="create_time" width="200">
        <template slot-scope="scope">
          <span>{{ scope.row.create_time }}</span>
        </template>
      </el-table-column>
      <el-table-column label="修改时间" align="center" prop="update_time" width="200">
        <template slot-scope="scope">
          <span>{{ scope.row.update_time }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope" v-if="scope.row.id !== 1">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:group:edit']"
          >修改
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改群组对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-form-item label="群组名称" prop="name">
            <el-input v-model="form.name" placeholder="请输入群组名称" :disabled="true"/>
          </el-form-item>
          <el-form-item label="群组类型" prop="type" v-show="form.id != undefined">
            <el-radio-group v-model="form.type" :disabled="true">
              <el-radio
                v-for="dict in dict.type.group_type"
                :key="dict.value"
                :label="parseInt(dict.value)"
              >{{ dict.label }}
              </el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="群组状态" prop="status">
            <el-radio-group v-model="form.status">
              <el-radio
                v-for="dict in dict.type.sys_normal_disable"
                :key="dict.value"
                :label="parseInt(dict.value)"
              >{{ dict.label }}
              </el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="显示排序" prop="order_num">
            <el-input-number v-model="form.order_num" controls-position="right" :min="0"/>
          </el-form-item>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {getGroup, listGroup, updateGroup} from '@/api/system/group'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'

export default {
  name: 'Group',
  dicts: ['sys_normal_disable', 'group_type'],
  components: {Treeselect},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 表格树数据
      groupList: [],
      // 群组树选项
      groupOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        name: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        parent_id: [
          {required: true, message: '上级群组不能为空', trigger: 'blur'}
        ],
        type: [
          {required: true, message: '群组类型不能为空', trigger: 'blur'}
        ],
        status: [
          {required: true, message: '群组状态不能为空', trigger: 'blur'}
        ],
        name: [
          {required: true, message: '群组名称不能为空', trigger: 'blur'}
        ],
        order_num: [
          {required: true, message: '显示排序不能为空', trigger: 'blur'}
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询群组列表 */
    getList() {
      this.loading = true
      listGroup(this.queryParams).then(response => {
        this.groupList = this.handleTree(response.data, 'id')
        this.loading = false
      })
    },
    /** 转换群组数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      }
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        parent_id: undefined,
        name: undefined,
        type: '2',
        order_num: 0,
        status: 1
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(() => {
        this.refreshTable = true
      })
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      getGroup(row.id).then(response => {
        this.form = response.data
        this.open = true
        this.title = '修改群组'
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateGroup(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    }
  }
}
</script>
